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package org.apache.cayenne;
import org.apache.cayenne.di.Inject;
import org.apache.cayenne.exp.ExpressionFactory;
import org.apache.cayenne.query.RefreshQuery;
import org.apache.cayenne.query.SelectQuery;
import org.apache.cayenne.test.jdbc.DBHelper;
import org.apache.cayenne.test.jdbc.TableHelper;
import org.apache.cayenne.testdo.map_to_many.IdMapToMany;
import org.apache.cayenne.testdo.map_to_many.MapToMany;
import org.apache.cayenne.testdo.map_to_many.MapToManyTarget;
import org.apache.cayenne.unit.di.server.CayenneProjects;
import org.apache.cayenne.unit.di.server.ServerCase;
import org.apache.cayenne.unit.di.server.UseServerRuntime;
import org.junit.Before;
import org.junit.Test;
import java.util.Map;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertTrue;
@UseServerRuntime(CayenneProjects.MAP_TO_MANY_PROJECT)
public class CDOMapRelationshipIT extends ServerCase {
@Inject
protected ObjectContext context;
@Inject
protected DBHelper dbHelper;
protected TableHelper tMapToMany;
protected TableHelper tMapToManyTarget;
protected TableHelper tIdMapToMany;
protected TableHelper tIdMapToManyTarget;
@Before
public void setUp() throws Exception {
tMapToMany = new TableHelper(dbHelper, "MAP_TO_MANY");
tMapToMany.setColumns("ID");
tMapToManyTarget = new TableHelper(dbHelper, "MAP_TO_MANY_TARGET");
tMapToManyTarget.setColumns("ID", "MAP_TO_MANY_ID", "NAME");
tIdMapToMany = new TableHelper(dbHelper, "ID_MAP_TO_MANY");
tIdMapToMany.setColumns("ID");
tIdMapToManyTarget = new TableHelper(dbHelper, "ID_MAP_TO_MANY_TARGET");
tIdMapToManyTarget.setColumns("ID", "MAP_TO_MANY_ID");
}
protected void createTestDataSet() throws Exception {
tMapToMany.insert(1);
tMapToMany.insert(2);
tMapToManyTarget.insert(1, 1, "A");
tMapToManyTarget.insert(2, 1, "B");
tMapToManyTarget.insert(3, 1, "C");
tMapToManyTarget.insert(4, 2, "A");
}
protected void createTestIdDataSet() throws Exception {
tIdMapToMany.insert(1);
tIdMapToMany.insert(2);
tIdMapToManyTarget.insert(1, 1);
tIdMapToManyTarget.insert(2, 1);
tIdMapToManyTarget.insert(3, 1);
tIdMapToManyTarget.insert(4, 2);
}
@Test
public void testReadToMany() throws Exception {
createTestDataSet();
MapToMany o1 = Cayenne.objectForPK(context, MapToMany.class, 1);
Map targets = o1.getTargets();
assertTrue(((ValueHolder) targets).isFault());
assertNotNull(targets);
assertEquals(3, targets.size());
assertNotNull(targets.get("A"));
assertNotNull(targets.get("B"));
assertNotNull(targets.get("C"));
assertEquals(1, Cayenne.intPKForObject((Persistent) targets.get("A")));
assertEquals(2, Cayenne.intPKForObject((Persistent) targets.get("B")));
assertEquals(3, Cayenne.intPKForObject((Persistent) targets.get("C")));
}
@Test
public void testReadToManyId() throws Exception {
createTestIdDataSet();
IdMapToMany o1 = Cayenne.objectForPK(context, IdMapToMany.class, 1);
Map targets = o1.getTargets();
assertTrue(((ValueHolder) targets).isFault());
assertNotNull(targets);
assertEquals(3, targets.size());
assertNotNull(targets.get(new Integer(1)));
assertNotNull(targets.get(new Integer(2)));
assertNotNull(targets.get(new Integer(3)));
assertEquals(1, Cayenne.intPKForObject((Persistent) targets.get(new Integer(1))));
assertEquals(2, Cayenne.intPKForObject((Persistent) targets.get(new Integer(2))));
assertEquals(3, Cayenne.intPKForObject((Persistent) targets.get(new Integer(3))));
}
@Test
public void testReadToManyPrefetching() throws Exception {
createTestDataSet();
SelectQuery query = new SelectQuery(MapToMany.class, ExpressionFactory
.matchDbExp(MapToMany.ID_PK_COLUMN, new Integer(1)));
query.addPrefetch(MapToMany.TARGETS.disjoint());
MapToMany o1 = (MapToMany) Cayenne.objectForQuery(context, query);
Map targets = o1.getTargets();
assertFalse(((ValueHolder) targets).isFault());
assertNotNull(targets);
assertEquals(3, targets.size());
assertNotNull(targets.get("A"));
assertNotNull(targets.get("B"));
assertNotNull(targets.get("C"));
}
@Test
public void testAddToMany() throws Exception {
createTestDataSet();
MapToMany o1 = Cayenne.objectForPK(context, MapToMany.class, 1);
Map targets = o1.getTargets();
assertNotNull(targets);
assertEquals(3, targets.size());
MapToManyTarget newTarget = o1
.getObjectContext()
.newObject(MapToManyTarget.class);
newTarget.setName("X");
o1.addToTargets(newTarget);
assertEquals(4, targets.size());
assertSame(newTarget, o1.getTargets().get("X"));
assertSame(o1, newTarget.getMapToMany());
o1.getObjectContext().commitChanges();
o1.getObjectContext().performGenericQuery(new RefreshQuery());
assertEquals(4, o1.getTargets().size());
}
@Test
public void testRemoveToMany() throws Exception {
createTestDataSet();
MapToMany o1 = Cayenne.objectForPK(context, MapToMany.class, 1);
Map targets = o1.getTargets();
assertEquals(3, targets.size());
MapToManyTarget target = (MapToManyTarget) targets.get("B");
o1.removeFromTargets(target);
assertEquals(2, targets.size());
assertNull(o1.getTargets().get("B"));
assertNull(target.getMapToMany());
o1.getObjectContext().commitChanges();
o1.getObjectContext().performGenericQuery(new RefreshQuery());
assertEquals(2, o1.getTargets().size());
assertNotNull(o1.getTargets().get("A"));
assertNotNull(o1.getTargets().get("C"));
}
@Test
public void testAddToManyViaReverse() throws Exception {
createTestDataSet();
MapToMany o1 = Cayenne.objectForPK(context, MapToMany.class, 1);
Map targets = o1.getTargets();
assertNotNull(targets);
assertEquals(3, targets.size());
MapToManyTarget newTarget = o1
.getObjectContext()
.newObject(MapToManyTarget.class);
newTarget.setName("X");
newTarget.setMapToMany(o1);
assertSame(o1, newTarget.getMapToMany());
assertEquals(4, targets.size());
assertSame(newTarget, o1.getTargets().get("X"));
o1.getObjectContext().commitChanges();
o1.getObjectContext().performGenericQuery(new RefreshQuery());
assertEquals(4, o1.getTargets().size());
}
@Test
public void testModifyToManyKey() throws Exception {
createTestDataSet();
MapToMany o1 = Cayenne.objectForPK(context, MapToMany.class, 1);
Map targets = o1.getTargets();
MapToManyTarget target = (MapToManyTarget) targets.get("B");
target.setName("B1");
o1.getObjectContext().commitChanges();
assertNull(o1.getTargets().get("B"));
assertSame(target, o1.getTargets().get("B1"));
}
}